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body.dark{--bg:#10131a;--surface:#181c24;--surface-soft:#222731;--line:#2c323e;--text:#edf0f5;--muted:#929aa8;--subtle:#68717f;--accent-soft:#202b54;--shadow:0 12px 30px rgba(0,0,0,.16)}body.dark .topbar{background:rgba(16,19,26,.88)}body.dark .auth-screen{background:#10131a}body.dark .field input{background:var(--surface)}body.dark .donut>div{background:var(--surface)}body.dark .button-secondary{background:var(--surface)}body.dark .billing-hero .button{background:#fff}body.dark .status-dot{color:var(--muted)}